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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Kc8 draw
7 Kcc6 draw
8 Kcd7 draw
9 Kd8 draw
10 Kdc6 draw
11 Kdd7 draw
12 Ke6 draw
13 Ke7 draw
14 Ra4 draw
15 Rf4 draw
16 Rg6 draw
17 Rg7 draw
18 Rh4 draw
19 Kc5 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves
28 Rg3 loss in 2 half-moves